Our Data Sources
21, Windway Avenue, Cardiff has no recent1 records in the Land Registry and a single entry in the EPC database dated February 2018.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Windway Avenue, Cardiff, we estimate a market value of £385,608 and a rental value of £1,623 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £341,538 and £1,437 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Windway Avenue, Cardiff as measuring 160 m2.
That makes it the 20th largest plot in the postcode, where all 32 other houses have recorded plot data.
Energy Efficiency
21, Windway Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Feb 2018.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 21, Windway Avenue, Cardiff completed on 17th August 2004 at £219,950 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
- Sold Aug 2004£219,950
- Sold Jun 2003£163,500
- Sold Jul 2002£139,950
Similar Properties Sold Nearby
Since 2018 153 properties similar to 21, Windway Avenue, Cardiff have sold within a radius of 500 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 29th January 2026, was 17, Windway Avenue, Cardiff, CF5 1AP, a freehold house which sold for £345,000.
Read more about house prices in CF5.
- Sold Jan 2026£345,000 | 3 Bed House17, Windway Avenue, Cardiff, CF5 1AP17, Windway Avenue, Cardiff, CF5 1AP
- Sold Jan 2026£415,000 | 3 Bed House22, Redcliffe Avenue, Cardiff, CF5 1BQ22, Redcliffe Avenue, Cardiff, CF5 1BQ
- Sold Jan 2026£392,000 | 3 Bed House37, Fairfield Avenue, Cardiff, CF5 1BR37, Fairfield Avenue, Cardiff, CF5 1BR
- Sold Oct 2025£375,000 | 3 Bed House15, Fairfield Close, Cardiff, CF5 1AD15, Fairfield Close, Cardiff, CF5 1AD
- Sold Aug 2025£372,550 | 3 Bed House13, Kensington Avenue, Cardiff, CF5 1BU13, Kensington Avenue, Cardiff, CF5 1BU
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £376,044, ranging from £322,169 to £417,242.
- 23 Windway Avenue
3 Bed House | 5 m | Est. Value: £381,723
- 19 Windway Avenue
4 Bed House | 7 m | Est. Value: £417,242
- 25 Windway Avenue
3 Bed House | 11 m | Est. Value: £360,865
- 17 Windway Avenue
3 Bed House | 14 m | Est. Value: £381,723
- 27 Windway Avenue
3 Bed House | 16 m | Est. Value: £367,404
Location Comparison
Of the 34 addresses on Windway Avenue, Cardiff, CF5, 21, Windway Avenue, Cardiff comes out as the 29th largest and the 28th most expensive in our analysis of the public data.
It is also £74k more expensive than the average property across the CF5 district.
More reading links
Schools Nearby
Public Transport Nearby
- Waun-Gron Park|600 m away
- Fairwater|1.2 km away
- Ninian Park|1.8 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
